Home / 1,358,121.70-2,034,230.10-824,712.40

Finding the Fourth Proportional to 1,358,121.70, 2,034,230.10 and 824,712.40

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Solution

The fourth proportional to 1,358,121.70, 2,034,230.10 and 824,712.40 is: 1,235,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,121.70 : 2,034,230.10 = 824,712.40 : x
  2. Step 2: Convert to fraction form
    1,358,121.70/2,034,230.10 = 824,712.40/x
  3. Step 3: Cross multiply
    1,358,121.70x = 2,034,230.10 × 824,712.40
  4. Step 4: Simplify right side
    1,358,121.70x = 1,677,654,787,923.24
  5. Step 5: Solve for x
    x = 1,677,654,787,923.24/1,358,121.70
  6. Step 6: Final answer
    x = 1,235,275.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.